Hawley c



(No Model) H. 0. WHITE. STEREOSGOPE.

No. 582,710. PatentedMay 18, 1897.

WITNESSES INVENTVOR mt NORRIS PETERS ca. wummmz. wAsmlvm'w o c UNITED STATE ATENT Erica,

HAIVLEY C. \VHITE, OF NORTH BENNINGTON, VERMONT, ASSIGNOR TO THE H. C. \VHITE COMPANY, OF SAME PLACE.

STEREOSCOPE.

SPECIFICATION forming part of Letters Patent No. 582,710, dated. May 18, 1897.

. Application filed April 20, 1896. Serial No. 588,295. (No model.)

To all whom it may concern reversed; also, theinterlocking partsneed not Be it known that I, HAWLEY C. VVHITE, a have the form shown; also, the shaft and lenscitizen of the United States, residing at North frame are provided with a detachable fasten- Bennington, in the county of Bennington and ing. The tongue on the front end of the shaft 55 State of Vermont, have invented certain new is designated a, and the groove in the lensand useful Improvements in Stereoscopes; frame which it fits is designated b, these parts and I do hereby declare the following to be a being elongated, horizontal, and near the unfull, clear, and exact description of the invender side of the scope. The said lens-frame is tion, such as will enable others skilled in the provided with a hole 1) near its center and has 10 art to which it appertains to make and use a latch or hook F, pivoted on its front face, the same. so as to swing parallel therewith, catching on The object of this invention is to provide a any part which mayprotrude forward through separable stereoscope the parts of which, the said hole. though normally secured together foruse,may A headed stud E extends forward from the I 5 be ea-silytaken apart and packed in small comshaft 0, preferably, as shown, from near the pass for shipping or storage. middle of the division-piece C. The head of To this end my invention consists in the this stud passes through the hole I) and procombination of a stereoscope-lens frame with trudes slightlyin front of the lens-frame. The a shaft and detachable fastening devices, the hook or latch F, being turned toward the said 2o aforesaid parts being constructed substanstud, catches onitbehind the said head,hooktially as hereinafter described, and more paring the lens-frame and shaft securely in poticularly set forth in the claims. sition with the aid of the engaging tongue In the accompanying drawings, Figure 1 and groove aforesaid. NVhen the stereoscope represents a perspective view of a stereoscope is to be packed, the hook or latch F is turned 2 5 embodying my invention, omitting only the out of engagement with the said stud, the picture-holder. Fig. 2 represents a similar shaft and handle are easily pulled away from View of the shaft and handle, the latter being the lens-frame and hood, and the parts thus folded for packing. Fig. 3 represents a rear separated will be stowed together in packing elevation of the lens-frame, the hood being as may be most convenient, accompanied by 8o 0 indicated in dotted lines. the usual slide or picture-holder.

A designates the hood, which may be tacked In this specification I do not restrict myself on the lens-frame B in the ordinary way. to the specific devices shown for fastening the C designates the shaft, which fits against the shaft and division-piece to the lens-frame, as rear of said frame at the under edge thereof these may be indefinitely varied, provided the 3 5 and has the usual raised division-piece 0, means used bind the parts securely together which fits against the middle part of the rear when engaged and provide for separability, side of said lens-frame between the lenses. nor do I confine myself to the tongue and The raised part 0 is practically integral with groove shown as a means for holding the frame the said shaft. and shaft in proper relation to each other, as 4) D designates the handle, which is hinged many substitutes for such tongue and groove to the under side of said shaft, so that it may can readily be found. Any means or form of fold from the position of use, Fig. 1, to the connection between the end of the shaft and packing position, Fig. 2. the lens-frame which will prevent rotation of In the devices as thus far described there the lens-frame about the stud E (where such 5 45 is nothing new; but the shaft and lens-frame a stud is used) or which holds the plane of the are not permanently fastened together, as picture-holder parallel with a plane passing hitherto. They fit together by a tongue or through the axes of the two lenses I regard as projection c and groove or recess 1), the forthe equivalent of said tongue and groove. mer, as shown, being on the shaft and the lat- Having thus described my invention, what [00 5o ter in the rear face of thelens-frame, though it I claim as new, and desire to secure by Letters is obvious that their relative positions may be Patent, is-

1. In a stereoscope the combination of a shaft with a lens-frame and a detachable fastening, the said shaft and frame being fitted together by a tongue and groove or recess, substantially as set forth.

2. In a stereoscope the combination of a shaft and lens-frame with a fastening-latch, the said lens-frame being provided with a hole, the said shaft having a headed stud which protrudes through the said hole, and the said latch being in such position as to be turned into engagement with the said stud behind the said head thereof, for locking the parts of the stereoseope together, substantially as set forth.

3. A stereoseope-lens frame provided with a groove or recess in its rear face, and also provided with a hole through the said frame and a hook or latch operating across the line of the said hole, in combination with a stereoseope-shaft having a tongue or projection for fitting into said groove or recess and a headed stud protruding through said hole to be engaged by the said latch substantially as set forth.

4. A stereoscope-lens frame and hood fastened together, in combination with a detachable shaft having a folding handle, the said shaft being provided with projecting parts and the said frame being recessed to receive the said parts and provided with a catch for engaging one of them substantially as set forth.

In testimony whereof I have hereto subscribed my name, at North Bennington, Vermont, this 14th day of April, A. D. 1800.

ILUVLEY 0. WHITE.

In presence of FRANKLIN SCOTT, EMILY SCOTT. 

